diff --git a/renderdoc/common/common.h b/renderdoc/common/common.h
index 848e52bb0..b65850987 100644
--- a/renderdoc/common/common.h
+++ b/renderdoc/common/common.h
@@ -25,6 +25,8 @@
 
 #pragma once
 
+#include <stddef.h>
+
 #include "globalconfig.h"
 
 /////////////////////////////////////////////////